opercula insulae岛盖
Macropodus opercula盖斑斗鱼
opercula of insula岛盖
microscopic scanning opercula萌发孔盖
Brown Oranda with curled Opercula棕色高头翻鳃
Purple Egg-fish with Curled Opercula紫蛋翻鳃
Red Dragon-eye with Curled Opercula红龙睛翻鳃